Daring Fireball's John Gruber had a hard drive develop mechanical issues that prevented it from booting his laptop. Between SuperDuper, Dropbox, and DiskWarrior, he didn't lose a single thing. He details his strategy, and offers advice for achieving the same results. (Needless to say, we also recommend Joe Kissell's "Take Control of Mac OS X Backups" and "Take Control of Easy Mac Backups.") follow link
Thoughtful, detailed coverage of the Mac, iPhone, and iPad, plus the TidBITS Content Network for Apple consultants.
Multi-Prong Backup Saves Gruber's Data